// Copyright 2022-2025 The Connect Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

/// Protocols that are supported by the library.
public enum NetworkProtocol: Sendable {
    /// The Connect protocol:
    /// https://connectrpc.com/docs/protocol
    case connect
    /// The gRPC-Web protocol:
    /// https://github.com/grpc/grpc/blob/master/doc/PROTOCOL-WEB.md
    case grpcWeb
    /// A custom protocol that is implemented via an interceptor.
    case custom(name: String, protocolInterceptor: InterceptorFactory)
}

extension NetworkProtocol: CustomStringConvertible {
    public var description: String {
        switch self {
        case .connect:
            return "Connect"
        case .grpcWeb:
            return "gRPC-Web"
        case .custom(let name, _):
            return name
        }
    }
}
